Dr. Richard Louis Markowitz, MD
- Medicare services, 2024
- 1,310
- Medicare patients, 2024
- 378
- Part D claims, 2024
- 5,277
- Hospital affiliations
- 1
- Industry payments
- $1,986
- Practice address
- 2750 Merrick Rd, Bellmore, NY 11710
- Practice phone
- Call (516) 536-1455
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Shore Medical Group of the Mount Sinai School of Medicine
Bellmore, New York
Find Dr. Markowitz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Richard Louis Markowitz is an internist in Bellmore, New York
Dr. Markowitz practices at North Shore Medical Group of the Mount Sinai School of Medicine in Bellmore, New York.
Dr. Markowitz's NPI, 1063414282, was assigned on June 1, 2005. Dr. Markowitz graduated from Tel Aviv University Sackler in 1993. Dr. Markowitz holds New York license 200488.
- NPI
- 1063414282NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951404243
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (516) 536-1455
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard Louis Markowitz practices at North Shore Medical Group of the Mount Sinai School of Medicine in Bellmore, New York
Dr. Markowitz's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine, at 2750 Merrick Rd, Bellmore, NY 11710 in Nassau County. The practice phone is (516) 536-1455.
- North Shore Medical Group of the Mount Sinai School of Medicine2750 Merrick Rd, Bellmore, NY 11710 · Nassau CountyPhone(516) 536-1455
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Richard Louis Markowitz is affiliated with 6 sites of care and 2 medical groups
Dr. Markowitz's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine in Bellmore, New York. Dr. Markowitz is also affiliated with Mount Sinai South Nassau. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Markowitz to 3 more home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Richard Louis Markowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markowitz practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore Medical Group of the Mount Sinai School of Medicine | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Richard Louis Markowitz is one of 9,643 internists in New York
Internal medicine is Dr. Markowitz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Markowitz is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Markowitz
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Richard Louis Markowitz billed Medicare for 1,310 services in 2024
CMS data shows 1,310 Medicare services from Dr. Markowitz across 12 procedure codes in 2024, for 378 Medicare patients. Medicare paid $92,146 for them. Every service was in an office.
Dr. Markowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6452024: 66060%
- Surgery
- 2023: 4352024: 27337%
- Other services
- 2023: 2442024: 2325%
- Tests and treatments
- 2023: 2532024: 10758%
- Lab and pathology
- 2023: 1,5652024: 3898%
Dr. Markowitz compared with the New York median for internists, 2024
- Dr. Markowitz
- New York median
- Medicare services
- 1,310vs 4263.1 times
- Medicare patients
- 378vs 1582.4 times
- Part D claims
- 4,582vs 6227.4 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Markowitz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Markowitz and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard Louis Markowitz treated 378 Medicare patients in 2024, average age 76
CMS counts 378 Medicare patients who saw Dr. Markowitz in 2024. The largest group is 75 to 84, with 169 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Markowitz's median patient age at 67, with 50% women.
Dr. Markowitz's Medicare patients by age, 2024
Dr. Markowitz's Medicare patients by sex, 2024
- Women21858%
- Men16042%
Chronic conditions among Dr. Markowitz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis43%
- Anxiety28%
- Ischemic heart disease26%
- Diabetes25%
- Osteoporosis21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard Louis Markowitz wrote 5,277 Medicare Part D claims in 2024
In 2024, Dr. Markowitz wrote 5,277 Medicare Part D claims for 504 patients. 89% of them were for generic drugs. CMS names the drug for 4,582 of them, across 108 drugs with 11 or more claims each, at $339,522 in total drug cost. In 2023, CMS named 6,341 claims across 137 drugs.
Dr. Markowitz's Part D claims by kind of drug, 2024
- Generic4,696 claims89%
- Brand-name558 claims11%
- Other23 claims0%
Dr. Markowitz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Markowitz's Part D claims, 2024
- Opioids2%118 of 5,277 claims
- Antibiotics2%81 of 5,277 claims
- Antipsychotics, patients 65 and over1%32 of 5,277 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,3412024: 4,58228%
Drugs named by CMS: 108 in 2024, 137 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Richard Louis Markowitz offers telehealth to Medicare patients
Dr. Markowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Markowitz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Richard Louis Markowitz received $1,986 in industry payments from 2016 to 2025
CMS Open Payments shows 62 general payments to Dr. Markowitz from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $475.
General payments to Dr. Markowitz by program year, 2016 to 2025
Companies that paid Dr. Markowitz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Richard Louis Markowitz graduated from Tel Aviv University Sackler
Dr. Markowitz graduated from Tel Aviv University Sackler in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Richard Louis Markowitz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Richard Louis Markowitz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Richard Louis Markowitz's NPI number?
Dr. Richard Louis Markowitz's NPI number is 1063414282. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard Louis Markowitz?
Dr. Richard Louis Markowitz is an internist in Bellmore, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Richard Louis Markowitz practice?
Dr. Markowitz practices at 2750 Merrick Rd, Bellmore, NY 11710. Dr. Markowitz's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine in Bellmore, New York. Dmand AI also links Dr. Markowitz to 3 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Richard Louis Markowitz's office phone number?
The practice phone on file for Dr. Markowitz is (516) 536-1455.
What is Dr. Richard Louis Markowitz's medical license number?
Dr. Markowitz holds New York license 200488.
Which hospitals is Dr. Richard Louis Markowitz affiliated with?
Dr. Markowitz is affiliated with Mount Sinai South Nassau.
What medical group is Dr. Richard Louis Markowitz part of?
Dr. Markowitz is linked to Mount Sinai Doctors Long Island. Dmand AI links Dr. Markowitz to 1 more medical group.
Does Dr. Richard Louis Markowitz accept Medicare?
Yes. CMS data shows Dr. Markowitz billed Medicare for 1,310 services in 2024, and Dr. Markowitz accepts Medicare assignment.
Does Dr. Richard Louis Markowitz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Markowitz as offering telehealth services.
How many Medicare patients does Dr. Richard Louis Markowitz see?
CMS counts 378 Medicare patients who saw Dr. Markowitz in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Richard Louis Markowitz bill to Medicare?
In 2024, Dr. Markowitz's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
Where did Dr. Richard Louis Markowitz go to medical school?
Dr. Markowitz graduated from Tel Aviv University Sackler in 1993.
What drugs does Dr. Richard Louis Markowitz prescribe most?
In 2024 Medicare Part D data, Dr. Markowitz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Richard Louis Markowitz received payments from drug or device companies?
CMS Open Payments shows $1,986 in general payments to Dr. Markowitz from 21 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Richard Louis Markowitz been practicing?
Dr. Markowitz graduated from medical school in 1993, 33 years ago.
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